Codeigniter 3 Last Insert Id Code Example

Example 1: return last insert id in codeigniter

$id = $this->db->insert_id();

Example 2: last insert id model codeigniter

function add_post($post_data){    $this->db->insert('posts', $post_data);    $insert_id = $this->db->insert_id();     return  $insert_id; }

Example 3: codeigniter return last inserted id

$this->db->insert('posts', $post_data);    $insert_id = $this->db->insert_id();    return  $insert_id;

Example 4: how to get last id in database codeigniter 4

$db = db_connect();   $query = $db->query("SELECT * FROM users ORDER BY id DESC LIMIT 1");   $result = $query->getRow();